18565506

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 41558400

約数和(自身を除く): 22992894

約数列:

[1, 2, 3, 6, 9, 18, 71, 73, 142, 146, 199, 213, 219, 398, 426, 438, 597, 639, 657, 1194, 1278, 1314, 1791, 3582, 5183, 10366, 14129, 14527, 15549, 28258, 29054, 31098, 42387, 43581, 46647, 84774, 87162, 93294, 127161, 130743, 254322, 261486, 1031417, 2062834, 3094251, 6188502, 9282753, 18565506]

約数ペア:

[(1, 18565506), (2, 9282753), (3, 6188502), (6, 3094251), (9, 2062834), (18, 1031417), (71, 261486), (73, 254322), (142, 130743), (146, 127161), (199, 93294), (213, 87162), (219, 84774), (398, 46647), (426, 43581), (438, 42387), (597, 31098), (639, 29054), (657, 28258), (1194, 15549), (1278, 14527), (1314, 14129), (1791, 10366), (3582, 5183)]